Submitted by György Chityil ... on Fri, 01/19/2018 - 16:36 Hierarchy: NounDescription: {{roofing}} A row of material that forms the roofing, waterproofing or flashing system.Ngram: courseNgram Text: courseSource: WiktionaryIssue: 0Wiktionary tag: roofingNgram Count: 1Wikokit WikiText ID: 473061